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Ensure that negative numbers may not be used in frame offset clauses even if they are initially text value. e.g. (RANGE BETWEEN '-1' PRECEDING ...).

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dan
2021-03-31 11:31:19 +00:00
parent 0d23f678b1
commit b03786ad6e
4 changed files with 27 additions and 9 deletions
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src/window.c
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@@ -1469,6 +1469,7 @@ static void windowCheckValue(Parse *pParse, int reg, int eCond){
VdbeCoverageIf(v, eCond==2);
}
sqlite3VdbeAddOp3(v, aOp[eCond], regZero, sqlite3VdbeCurrentAddr(v)+2, reg);
sqlite3VdbeChangeP5(v, SQLITE_AFF_NUMERIC);
VdbeCoverageNeverNullIf(v, eCond==0); /* NULL case captured by */
VdbeCoverageNeverNullIf(v, eCond==1); /* the OP_MustBeInt */
VdbeCoverageNeverNullIf(v, eCond==2);